Cisco NPE-175 Installation And Configuration Manual page 125

Chapter 7 NPE-G1 and NPE-G2 Installation and Configuration Information
Warning Before completing any of the following steps, and to prevent short-circuit or shock hazards, ensure
that power is removed from the DC circuit. To ensure that all power is OFF, locate the circuit breaker
on the panel board that services the DC circuit, switch the circuit breaker to the OFF position, and
tape the switch handle of the circuit breaker in the OFF position. Statement 322
When installing the unit, the ground connection must always be made first and disconnected last.
Warning
Statement 42
At the rear of the router, check that the power switch on the power supply is in the off (O) position.
Step 1
Ensure that no current is running through the –V and +V leads. To ensure that all power is off, locate the
Step 2
circuit breaker on the panel board that services the DC circuit, switch the circuit breaker to the off
position, and tape the switch handle of the circuit breaker in the off position.
Figure 7-27
1 Power switch
2 Ground lead service loop
If necessary, use a wire stripper to strip approximately 0.55 inch (14 mm) from the –V, +V, and ground
Step 3
leads. (See
OL-4448-12
Connecting DC-Input Power to a Cisco 7200 VXR Router
1
2 3
Figure 7-28.)
Network Processing Engine and Network Services Engine Installation and Configuration
4
3 Cable tie
4 DC power leads
Installing the NPE-G1 or NPE-G2
7-39